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Hopeful
Joined: 03 May 2007
Posts: 49
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 Posted: Fri Feb 29, 2008 4:20 pm Post subject: EMQs by PAUL Hodges |
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stem no 14 item 2 on pg 52(worked examples)
PPV=80
if ppv is Tp/Tp+Fp ans will be 29.6
can anyone explain? |
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cpeedahsa
Century Club
Joined: 21 Apr 2007
Posts: 792
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| Posted: Sat Apr 19, 2008 9:56 pm Post subject: Re: EMQs by PAUL Hodges |
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| Hopeful wrote: | stem no 14 item 2 on pg 52(worked examples)
PPV=80
if ppv is Tp/Tp+Fp ans will be 29.6
can anyone explain? |
stem no 14 item 2 on pg 52--what is the actual question, hopeful? |
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Xerxes I
Century Club
Joined: 01 Mar 2007
Posts: 226
Location: Winchester
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| Posted: Tue Aug 12, 2008 6:56 pm Post subject: |
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| I don't know about you but formula memorising doesn't work for me. I draw my 2x2 table and calculate whatever considering their meaning. PPV is the chance of you having the disease if you tesst positive. so what proportion of those who tested positive had the disease? easy. |
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Nick Raine-Fenning
Course Director
Joined: 27 May 2006
Posts: 1742
Location: Nottingham
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| Posted: Wed Aug 13, 2008 8:04 am Post subject: |
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Give us the full question please.
I can't remember the exact question but at least one answer was wrong.
N |
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